Home / 5,408.10-8,109.99-1,944.54

Finding the Fourth Proportional to 5,408.10, 8,109.99 and 1,944.54

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Solution

The fourth proportional to 5,408.10, 8,109.99 and 1,944.54 is: 2,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.10 : 8,109.99 = 1,944.54 : x
  2. Step 2: Convert to fraction form
    5,408.10/8,109.99 = 1,944.54/x
  3. Step 3: Cross multiply
    5,408.10x = 8,109.99 × 1,944.54
  4. Step 4: Simplify right side
    5,408.10x = 15,770,199.95
  5. Step 5: Solve for x
    x = 15,770,199.95/5,408.10
  6. Step 6: Final answer
    x = 2,916.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.